<template>
  <el-dialog
    :title="!dataForm.id ? '新增' : '修改'"
    :close-on-click-modal="false"
    :visible.sync="visible">
    <el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="dataFormSubmit()" label-width="80px">
      <el-form-item label="角色名称" prop="roleName">
        <el-input v-model="dataForm.roleName" placeholder="角色名称"></el-input>
      </el-form-item>
      <el-form-item label="备注" prop="remark">
        <el-input v-model="dataForm.remark" placeholder="备注"></el-input>
      </el-form-item>
      <el-form-item size="mini" label="授权">
        <el-tree
          :data="menuList"
          :props="menuListTreeProps"
          node-key="menuId"
          ref="menuListTree"
          :default-expand-all="true"
          show-checkbox>
        </el-tree>
      </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
      <el-button @click="visible = false">取消</el-button>
      <el-button type="primary" @click="dataFormSubmit()">确定</el-button>
    </span>
  </el-dialog>
</template>

<script>
    import util from '../../common/utils'
    import {sysRoleInfo,sysMenuSelect,sysRoleAdd,sysRoleUpdate} from '../../api/api';
  export default {
    data () {
      return {
        visible: false,
        menuList: [],
        menuListTreeProps: {
          label: 'name',
          children: 'children'
        },
        dataForm: {
          id: 0,
          roleName: '',
          remark: ''
        },
        dataRule: {
          roleName: [
            { required: true, message: '角色名称不能为空', trigger: 'blur' }
          ]
        },
        tempKey: -666666 // 临时key, 用于解决tree半选中状态项不能传给后台接口问题. # 待优化
      }
    },
    methods: {
      init (id) {
         let  _this =this
        this.dataForm.id = id || 0
          sysMenuSelect(null).then((res)=>{
              this.menuList = util.treeDataTranslate(res.data, 'menuId')
              this.visible = true
              this.$nextTick(() => {
                  this.$refs['dataForm'].resetFields()
                  this.$refs.menuListTree.setCheckedKeys([])
              })
          }).then(() => {
              if (this.dataForm.id) {
                  let roleId ={
                      roleId:this.dataForm.id
                  }
                  sysRoleInfo(roleId).then((res)=>{
                      if (res.status&& res.data !== null&& res.data!=undefined) {
                          this.dataForm.roleName = res.data.roleName
                          this.dataForm.remark = res.data.remark
                          var idx = res.data.menuIdList.indexOf(JSON.stringify(_this.tempKey))
                          if (idx !== -1) {
                              res.data.menuIdList.splice(idx, res.data.menuIdList.length - idx)
                          }
                          this.$refs.menuListTree.setCheckedKeys(res.data.menuIdList)
                      }
                  })
              }
          });

      },
      // 表单提交
      dataFormSubmit () {
        this.$refs['dataForm'].validate((valid) => {
          if (valid) {
              let roleData = {
                  'roleId': this.dataForm.id || undefined,
                  'roleName': this.dataForm.roleName,
                  'remark': this.dataForm.remark,
                  'menuIdList': [].concat(this.$refs.menuListTree.getCheckedKeys(), [this.tempKey], this.$refs.menuListTree.getHalfCheckedKeys())
              }
              if(undefined == this.dataForm.id|| 0 === this.dataForm.id){
                  sysRoleAdd(roleData).then((res)=>{
                      if (res.status) {
                          this.$message({
                              message: '操作成功',
                              type: 'success',
                              duration: 1500,
                              onClose: () => {
                                  this.visible = false
                                  this.$emit('refreshDataList')
                              }
                          })
                      } else {
                          this.listLoading = false;
                          this.$message({
                              message: '加载失败',
                              type: 'error'
                          });
                      }
                  })
              }else {
                  sysRoleUpdate(roleData).then((res)=>{
                      if (res.status) {
                          this.$message({
                              message: '操作成功',
                              type: 'success',
                              duration: 1500,
                              onClose: () => {
                                  this.visible = false
                                  this.$emit('refreshDataList')
                              }
                          })
                      } else {
                          this.listLoading = false;
                          this.$message({
                              message: '加载失败',
                              type: 'error'
                          });
                      }
                  })
              }

          }
        })
      }
    }
  }
</script>
